EP0338976A1 - Knochenimplantat aus Kunststoff - Google Patents

Knochenimplantat aus Kunststoff Download PDF

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Publication number
EP0338976A1
EP0338976A1 EP89810217A EP89810217A EP0338976A1 EP 0338976 A1 EP0338976 A1 EP 0338976A1 EP 89810217 A EP89810217 A EP 89810217A EP 89810217 A EP89810217 A EP 89810217A EP 0338976 A1 EP0338976 A1 EP 0338976A1
Authority
EP
European Patent Office
Prior art keywords
plastic
layers
layer
bone implant
wire mesh
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP89810217A
Other languages
German (de)
English (en)
French (fr)
Inventor
Otto Dr. Frey
Rudolf Koch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sulzer AG
Original Assignee
Sulzer AG
Gebrueder Sulzer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sulzer AG, Gebrueder Sulzer AG filed Critical Sulzer AG
Publication of EP0338976A1 publication Critical patent/EP0338976A1/de
Withdrawn legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/28—Bones
    • A—HUMAN NECESSITIES
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
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    • A61F2/3094—Designing or manufacturing processes
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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    • A61F2002/30009—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis differing in fibre orientations
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    • A61F2002/30011—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis differing in porosity
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    • A61F2002/3006—Properties of materials and coating materials
    • A61F2002/30065—Properties of materials and coating materials thermoplastic, i.e. softening or fusing when heated, and hardening and becoming rigid again when cooled
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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    • A61F2002/30317—The prosthesis having different structural features at different locations within the same prosthesis
    • A61F2002/30327—The prosthesis having different structural features at different locations within the same prosthesis differing in diameter
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00389—The prosthesis being coated or covered with a particular material
    • A61F2310/00395—Coating or prosthesis-covering structure made of metals or of alloys
    • A61F2310/00419—Other metals
    • A61F2310/00491—Coating made of niobium or Nb-based alloys
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00389—The prosthesis being coated or covered with a particular material
    • A61F2310/00395—Coating or prosthesis-covering structure made of metals or of alloys
    • A61F2310/00419—Other metals
    • A61F2310/00544—Coating made of tantalum or Ta-based alloys
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00389—The prosthesis being coated or covered with a particular material
    • A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
    • A61F2310/00856—Coating or prosthesis-covering structure made of compounds based on metal nitrides
    • A61F2310/0088—Coating made of titanium nitride

Definitions

  • the invention relates to a bone implant made of plastic, the surface of which faces the bone is at least partially covered with a multi-layer wire mesh which is anchored in the plastic with at least one layer, and in which the pore sizes of the plastic-free layers are defined and continuously increasing towards the outside, the plastic increasing from the plastic-free layers are separated by a separating layer whose pore size is smaller than that of the layer anchored in the plastic.
  • a bone implant of the type mentioned above is known from EP-A-0 190 422;
  • the connection between plastic and wire mesh may not be sufficient under heavy loads, since in the known construction the wire mesh is only insufficiently enclosed by the plastic, so that there is a risk of it breaking out.
  • the present invention is therefore intended to improve the adhesion between plastic and wire mesh; This is achieved in that the anchoring in the plastic takes place over at least two layers of the wire mesh, the pore sizes of which are identical to one another.
  • the wire thickness for the anchoring layers is at least 0.5 mm.
  • the plastic becomes a relatively thin liquid when connected to the wire mesh, even if only temporarily - there is the risk that a close-meshed grid as a separating layer through which the plastic is separated from the plastic-free one Locations should be kept away is not sufficient.
  • the separating layer consists of a closed plate.
  • a structural element 2 which essentially consists of a multilayer wire mesh made of titanium or a titanium alloy.
  • the two outer layers 3 of the element in the illustration are intended for ingrowth of bone tissue 7 or for the absorption of bone cement. With them, the wire thickness of the wires 4, from which the mesh size and thus their pore size results, decreases in a known manner from the outside to the inside.
  • the layers 3 are separated from two further layers 6 by a closed sheet metal plate 5, which absolutely prevents contacts between living tissue 7 and polyethylene 1.
  • the layers 6 have mutually identical wall thicknesses and pore sizes and are both pressed into the polyethylene part 1 in order to ensure that the metallic surface structure 2 is firmly anchored in the polyethylene part 1.
  • the separating layer 5 can also be replaced by a layer of a close-meshed wire mesh, the wire thickness and pore size of which are smaller than those of the anchoring layers 6 and the inner of the two layers 3.
  • the porosity of the pores can be improved if adjacent wire meshes within layers 3 or 6 are rotated by 45 ° with respect to one another. Such an arrangement is shown in FIG. 2, which, apart from the rotation of one ingrowth and one anchoring position, corresponds to FIG. 1. If there are more than two layers, the direction of rotation of a third layer naturally coincides with that of the "first" layer.
  • the wire thickness of the wires 4 is, for example, between 0.3 and 1 mm for the layers 3. If a layer of tissue is also provided as the separating layer, wires with a diameter of 0.1-0.3 mm are used for this.
  • wire thicknesses of at least 0.5 mm, with which mesh sizes of approximately 1 mm result, have proven particularly useful, regardless of the plastic part carrying the wire mesh.
  • titanium or its alloys other elements that are known to be tissue-friendly, such as e.g. Tantalum, niobium or zircon, as well as alloys with these elements can be used.
  • a coating for example made of titanium nitride or another abrasion-resistant and / or tissue-promoting material, in a known manner.
  • wire mesh with widened contact surfaces by rolling before the individual lattice layers are stacked, in order to improve their mutual adhesion, which is achieved, for example, with the aid of local metallurgical bonds.
  • bonds can be produced, for example, by spot diffusion welding.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Manufacturing & Machinery (AREA)
  • Prostheses (AREA)
EP89810217A 1988-04-21 1989-03-20 Knochenimplantat aus Kunststoff Withdrawn EP0338976A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1480/88 1988-04-21
CH1480/88A CH674139A5 (un) 1988-04-21 1988-04-21

Publications (1)

Publication Number Publication Date
EP0338976A1 true EP0338976A1 (de) 1989-10-25

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ID=4211457

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89810217A Withdrawn EP0338976A1 (de) 1988-04-21 1989-03-20 Knochenimplantat aus Kunststoff

Country Status (3)

Country Link
US (1) US4955911A (un)
EP (1) EP0338976A1 (un)
CH (1) CH674139A5 (un)

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EP0522999A1 (de) * 1991-07-05 1993-01-13 SULZER Medizinaltechnik AG Patella-Prothese
EP0526682A1 (de) * 1991-08-07 1993-02-10 Oscobal Ag Endoprothese mit einem Metalldrahtwerk
EP0599419A2 (en) * 1992-11-26 1994-06-01 ESKA Implants GmbH & Co. Disk-shaped implant for reinforcing adjacent vertebrae
EP0631763A1 (de) * 1993-07-01 1995-01-04 SULZER Medizinaltechnik AG Füllkörper aus Metall für Knochenhohlräume
EP0677297A1 (en) * 1993-09-24 1995-10-18 Takiron Co. Ltd. Implantation material
WO1995028900A1 (de) * 1994-04-27 1995-11-02 Axel Kirsch Abdeckeinrichtung für knochendefektstellen und verfahren zu deren herstellung
EP0727195A2 (en) * 1995-02-14 1996-08-21 Bristol-Myers Squibb Company Acetabular cup
WO1998038949A1 (en) * 1997-03-04 1998-09-11 Implico B.V. An artefact suitable for use as a bone implant
WO1999062438A1 (de) * 1998-06-03 1999-12-09 Mathys Medizinaltechnik Ag Implantat aus kunststoff mit metallnetz
WO2000045748A1 (de) * 1999-02-04 2000-08-10 Ceramtec Ag Innovative Ceramic Engineering Klemmsitz-verbindung zwischen prothesenkomponenten von gelenk-prothesen
WO2000045749A1 (de) * 1999-02-04 2000-08-10 Ceramtec Ag Innovative Ceramic Engineering Hüftgelenkpfanne mit kopplungselement zwischen pfannengehäuse und pfanneneinsatz

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US5496359A (en) * 1989-07-25 1996-03-05 Smith & Nephew Richards, Inc. Zirconium oxide and zirconium nitride coated biocompatible leads
US5152794A (en) * 1989-07-25 1992-10-06 Smith & Nephew Richards Inc. Zirconium oxide and nitride coated prothesis for reduced microfretting
US5628790A (en) * 1989-07-25 1997-05-13 Smith & Nephew, Inc. Zirconium oxide zirconium nitride coated valvular annuloplasty rings
US5258022A (en) * 1989-07-25 1993-11-02 Smith & Nephew Richards, Inc. Zirconium oxide and nitride coated cardiovascular implants
US5236457A (en) * 1992-02-27 1993-08-17 Zimmer, Inc. Method of making an implant having a metallic porous surface
US5496372A (en) * 1992-04-17 1996-03-05 Kyocera Corporation Hard tissue prosthesis including porous thin metal sheets
US5387243A (en) * 1992-11-23 1995-02-07 Zimmer, Inc. Method for converting a cementable implant to a press fit implant
GB9420071D0 (en) * 1994-10-05 1994-11-16 Howmedica Metal backing for inclusion in the manufacture of a prosthetic component
AU711722B2 (en) * 1995-02-14 1999-10-21 Bristol-Myers Squibb Company Acetabular cup
US6602293B1 (en) 1996-11-01 2003-08-05 The Johns Hopkins University Polymeric composite orthopedic implant
US6632246B1 (en) * 2000-03-14 2003-10-14 Chondrosite, Llc Cartilage repair plug
US6652585B2 (en) 2001-02-28 2003-11-25 Sdgi Holdings, Inc. Flexible spine stabilization system
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US6827743B2 (en) * 2001-02-28 2004-12-07 Sdgi Holdings, Inc. Woven orthopedic implants
US7344539B2 (en) * 2001-03-30 2008-03-18 Depuy Acromed, Inc. Intervertebral connection system
US7067123B2 (en) * 2003-04-29 2006-06-27 Musculoskeletal Transplant Foundation Glue for cartilage repair
US7901457B2 (en) 2003-05-16 2011-03-08 Musculoskeletal Transplant Foundation Cartilage allograft plug
AU2004259762A1 (en) 2003-07-24 2005-02-03 Tecomet, Inc. Assembled non-random foams
US7837740B2 (en) 2007-01-24 2010-11-23 Musculoskeletal Transplant Foundation Two piece cancellous construct for cartilage repair
US7815926B2 (en) 2005-07-11 2010-10-19 Musculoskeletal Transplant Foundation Implant for articular cartilage repair
US20070055373A1 (en) * 2005-09-08 2007-03-08 Zimmer Spine, Inc. Facet replacement/spacing and flexible spinal stabilization
CA2623106C (en) 2005-09-19 2013-12-24 Histogenics Corporation Cell-support matrix having narrowly defined uniformly vertically and non-randomly organized porosity and pore density and a method for preparation thereof
EP1779812A1 (en) * 2005-10-26 2007-05-02 Etervind AB An osseointegration implant
US8435551B2 (en) 2007-03-06 2013-05-07 Musculoskeletal Transplant Foundation Cancellous construct with support ring for repair of osteochondral defects
EP2265220A1 (en) * 2008-03-05 2010-12-29 Musculoskeletal Transplant Foundation Cancellous constructs, cartilage particles and combinations of cancellous constructs and cartilage particles
US20100274362A1 (en) * 2009-01-15 2010-10-28 Avner Yayon Cartilage particle tissue mixtures optionally combined with a cancellous construct
US8696759B2 (en) * 2009-04-15 2014-04-15 DePuy Synthes Products, LLC Methods and devices for implants with calcium phosphate
US20100268227A1 (en) * 2009-04-15 2010-10-21 Depuy Products, Inc. Methods and Devices for Bone Attachment
US8475536B2 (en) * 2010-01-29 2013-07-02 DePuy Synthes Products, LLC Methods and devices for implants with improved cement adhesion
IT1398443B1 (it) * 2010-02-26 2013-02-22 Lima Lto S P A Ora Limacorporate Spa Elemento protesico integrato
US11291483B2 (en) 2010-10-20 2022-04-05 206 Ortho, Inc. Method and apparatus for treating bone fractures, and/or for fortifying and/or augmenting bone, including the provision and use of composite implants
US11207109B2 (en) 2010-10-20 2021-12-28 206 Ortho, Inc. Method and apparatus for treating bone fractures, and/or for fortifying and/or augmenting bone, including the provision and use of composite implants, and novel composite structures which may be used for medical and non-medical applications
US11058796B2 (en) 2010-10-20 2021-07-13 206 Ortho, Inc. Method and apparatus for treating bone fractures, and/or for fortifying and/or augmenting bone, including the provision and use of composite implants, and novel composite structures which may be used for medical and non-medical applications
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US10525169B2 (en) 2010-10-20 2020-01-07 206 Ortho, Inc. Method and apparatus for treating bone fractures, and/or for fortifying and/or augmenting bone, including the provision and use of composite implants, and novel composite structures which may be used for medical and non-medical applications
US9320601B2 (en) 2011-10-20 2016-04-26 206 Ortho, Inc. Method and apparatus for treating bone fractures, and/or for fortifying and/or augmenting bone, including the provision and use of composite implants
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US8231624B1 (en) 2010-12-22 2012-07-31 Strippgen Walter E Dynamic surgical implant
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US10010609B2 (en) 2013-05-23 2018-07-03 206 Ortho, Inc. Method and apparatus for treating bone fractures, and/or for fortifying and/or augmenting bone, including the provision and use of composite implants
US10077420B2 (en) 2014-12-02 2018-09-18 Histogenics Corporation Cell and tissue culture container
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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0522999A1 (de) * 1991-07-05 1993-01-13 SULZER Medizinaltechnik AG Patella-Prothese
US5181924A (en) * 1991-07-05 1993-01-26 Sulzer Medizinaltechnik Ag Patella prosthesis
CH685369A5 (de) * 1991-07-05 1995-06-30 Sulzer Ag Patella-Prothese.
EP0526682A1 (de) * 1991-08-07 1993-02-10 Oscobal Ag Endoprothese mit einem Metalldrahtwerk
US5397359A (en) * 1991-08-07 1995-03-14 Oscobal Ag Metal wire structure for endoprosthetics
EP0599419A2 (en) * 1992-11-26 1994-06-01 ESKA Implants GmbH & Co. Disk-shaped implant for reinforcing adjacent vertebrae
EP0599419A3 (en) * 1992-11-26 1994-06-29 Bristol Myers Squibb Co Disk-shaped implant for reinforcing adjacent vertebrae.
EP0631763A1 (de) * 1993-07-01 1995-01-04 SULZER Medizinaltechnik AG Füllkörper aus Metall für Knochenhohlräume
US5665119A (en) * 1993-07-01 1997-09-09 Sulzer Medizinaltechnik Ag Filling member made from metal for bone cavities
EP0677297A4 (en) * 1993-09-24 1996-08-07 Takiron Co IMPLANT MATERIAL.
EP0677297A1 (en) * 1993-09-24 1995-10-18 Takiron Co. Ltd. Implantation material
US5711960A (en) * 1993-09-24 1998-01-27 Takiron Co., Ltd. Biocompatible implant material comprising a tri-axial or more three-dimensional fabric
WO1995028900A1 (de) * 1994-04-27 1995-11-02 Axel Kirsch Abdeckeinrichtung für knochendefektstellen und verfahren zu deren herstellung
US5824088A (en) * 1994-04-27 1998-10-20 Kirsch; Axel Cover device for bone voids and method for the manufacture thereof
EP0727195A2 (en) * 1995-02-14 1996-08-21 Bristol-Myers Squibb Company Acetabular cup
EP0727195A3 (en) * 1995-02-14 1997-05-07 Bristol Myers Squibb Co Hip socket
WO1998038949A1 (en) * 1997-03-04 1998-09-11 Implico B.V. An artefact suitable for use as a bone implant
US6280478B1 (en) 1997-03-04 2001-08-28 Implico B.V. Artefact suitable for use as a bone implant
WO1999062438A1 (de) * 1998-06-03 1999-12-09 Mathys Medizinaltechnik Ag Implantat aus kunststoff mit metallnetz
WO2000045748A1 (de) * 1999-02-04 2000-08-10 Ceramtec Ag Innovative Ceramic Engineering Klemmsitz-verbindung zwischen prothesenkomponenten von gelenk-prothesen
WO2000045749A1 (de) * 1999-02-04 2000-08-10 Ceramtec Ag Innovative Ceramic Engineering Hüftgelenkpfanne mit kopplungselement zwischen pfannengehäuse und pfanneneinsatz

Also Published As

Publication number Publication date
US4955911A (en) 1990-09-11
CH674139A5 (un) 1990-05-15

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